Unit 5- similar triangles
Flashcard
•
Mathematics
•
7th Grade
•
Hard
+2
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What are similar triangles?
Back
Triangles that have the same shape but may differ in size. Their corresponding angles are equal, and the lengths of their corresponding sides are proportional.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
2.
FLASHCARD QUESTION
Front
What is the AA criterion for triangle similarity?
Back
If two angles of one triangle are equal to two angles of another triangle, then the triangles are similar.
Tags
CCSS.HSG.SRT.A.2
3.
FLASHCARD QUESTION
Front
What does it mean for triangles to be similar?
Back
It means that their corresponding angles are equal and their corresponding sides are in proportion.
Tags
CCSS.8.G.A.2
CCSS.HSG.CO.B.6
4.
FLASHCARD QUESTION
Front
What is the SSS criterion for triangle similarity?
Back
If the lengths of the corresponding sides of two triangles are proportional, then the triangles are similar.
Tags
CCSS.HSG.SRT.B.5
5.
FLASHCARD QUESTION
Front
What is the SAS criterion for triangle similarity?
Back
If two sides of one triangle are proportional to two sides of another triangle and the included angles are equal, then the triangles are similar.
Tags
CCSS.HSG.SRT.B.5
6.
FLASHCARD QUESTION
Front
If triangle ABC is similar to triangle DEF, what can we say about their angles?
Back
Angle A = Angle D, Angle B = Angle E, Angle C = Angle F.
Tags
CCSS.HSG.SRT.A.2
7.
FLASHCARD QUESTION
Front
If the sides of triangle ABC are 3, 4, and 5, and the sides of triangle DEF are 6, 8, and 10, are the triangles similar?
Back
Yes, because the sides are in proportion (3:6 = 1:2, 4:8 = 1:2, 5:10 = 1:2).
Tags
CCSS.HSG.SRT.A.2
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